Jornal brasileiro de nefrologia · 2014
Association of PTH and carotid thickness in patients with chronic kidney failure and secondary hyperparathyroidism.
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Costa André Falcão Pedrosa, Barufaldi Felipe, Silveira Marcelo Augusto Duarte, dos Santos Vitorino Modesto, Menezes Pedro de Lemos
Аннотация
INTRODUCTION: Cardiovascular diseases (CVDs) are the leading cause of death in terminal patients with chronic kidney failure (CKF). Diverse risk factors are involved in the pathogenesis, and are classified as traditional, which affect the general population; and non-traditional, which are peculiar to patients with CKF. Secondary hyperparathyroidism, a non-traditional and common factor in CKF, can cause an increased rate of bone absorption with mobilization of calcium and phosphorus. If the product of calcium x phosphorus is increased, the solubility of this ionic pair may be exceeded and deposition of calcium phosphate in cardiac and vascular tissues occur (called metastatic calcification).
OBJECTIVE: To verify eventual relationship between the thickness of the common carotid artery and the levels of PTH in patients with CKF.
METHODS: Evaluations by Doppler ultrasonography were performed to measure the width of the carotid artery wall and to search for possible correlations between different values of PTH serum levels, mineral disturbances and traditional risk factors in the carotid changes found in individuals with dialytic CKF and secondary hyperparathyroidism.
RESULTS: Differences in the cholesterol level and age were observed in patients with signals of arterial calcification. A significant relationship was also observed between the PTH serum levels and the carotid artery wall thickness (r = 0.31, p = 0.03).
CONCLUSION: Data from this study show the possible concomitance of traditional factors and factors related to CKF in the genesis of CVDs in uremia.
OBJECTIVE: To verify eventual relationship between the thickness of the common carotid artery and the levels of PTH in patients with CKF.
METHODS: Evaluations by Doppler ultrasonography were performed to measure the width of the carotid artery wall and to search for possible correlations between different values of PTH serum levels, mineral disturbances and traditional risk factors in the carotid changes found in individuals with dialytic CKF and secondary hyperparathyroidism.
RESULTS: Differences in the cholesterol level and age were observed in patients with signals of arterial calcification. A significant relationship was also observed between the PTH serum levels and the carotid artery wall thickness (r = 0.31, p = 0.03).
CONCLUSION: Data from this study show the possible concomitance of traditional factors and factors related to CKF in the genesis of CVDs in uremia.